<template>
  <div>
    <!-- 商品分类三级链表 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread：面包屑，带有x的结构-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类的面包屑 -->
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i
                @click="removeCategoryName">×</i></li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i @click="removeKeyword">×</i>
            </li>
            <!-- 品牌的面包屑 -->
            <li class="with-x" v-if="searchParams.trademark">{{ searchParams.trademark.split(":")[1] }}<i
                @click="removeTrademark">×</i>
            </li>
            <!-- 平台的售卖的属性值的面包屑 -->
            <li class="with-x" v-for="(attrVal, index) in searchParams.props" :key="index">{{
              attrVal.split(":")[1] }}<i @click="removeAttrVal(index)">×</i>
            </li>

          </ul>
        </div>

        <!--selector-->
        <!-- <SearchSelector @trademarkInfo="trademarkInfo" /> -->
        <SearchSelector />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <!-- 排序结构 -->
              <ul class="sui-nav">

                <li :class="{ active: isOne }" @click="changeOrder('1')">
                  <a>综合<span v-show="isOne" class="iconfont"
                      :class="{ 'icon-jiantou_yemian_xiangshang_o': isUp, 'icon-jiantou_yemian_xiangxia_o': isDown }"></span></a>
                </li>
                <li :class="{ active: isTwo }" @click="changeOrder('2')">
                  <a>销量<span v-show="isTwo" class="iconfont"
                      :class="{ 'icon-jiantou_yemian_xiangshang_o': isUp, 'icon-jiantou_yemian_xiangxia_o': isDown }"></span></a>
                </li>

              </ul>
            </div>
          </div>
          <!-- 销售产品链表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(   good, index   ) in    goodsList   " :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- 在路由跳转时候记得带id -->
                    <router-link :to="`/detail/${good.id}`">
                      <img v-lazy="good.defaultImg" /></router-link>

                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i style="margin-left: 2px">{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】">
                      {{ good.title }}
                    </a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 测试分页器阶段-->
          <Pagination :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :total="total" :continues="5">
          </Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { mapState, mapGetters } from "vuex";
export default {
  name: "Search",

  components: {
    SearchSelector,
  },
  data() {
    return {
      //带给服务器的参数
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        //分类的名字
        categoryName: "",
        //关键字
        keyword: "",
        //排序，顺序or降序,厨师状态是综合|降序
        order: "1:desc",
        //分页器
        pageNo: 1,
        //每一个展示数据的个数
        pageSize: 5,
        //平台售卖属性操作
        props: [],
        //品牌
        trademark: "",
      },
    };
  },
  //当组件挂载完毕之前执行一次【先与mounted之前】
  beforeMount() {
    //复杂的写法
    // this.searchParams.category1Id = this.$route.query.category1Id
    // this.searchParams.category2Id = this.$route.query.category2Id
    // this.searchParams.category3Id = this.$route.query.category3Id
    // this.searchParams.categoryName = this.$route.query.categoryName
    // this.searchParams.keyword = this.$route.params.keyword

    //Object.assign:ES6新增的语法，合并对象
    //在发请求之前，把接口需要传递参数，进行整理（在给服务器发请求之前，把参数整理好，服务器就会返回查询的数据）
    // Object.assign(this.searchParams, this.$route.query, this.$route.params)
  },
  //组件挂在完毕，执行一次，所以搜索物品用到的vuex/接口还在这里不合适，只能请求一次
  //这时候封装成一个函数，多次请求就多次调用
  mounted() {
    //在发请求？前带给服务器参数【searchParams参数发生变化有数值带给服务器】
    // this.getData();
    //全局数据总线接收
    this.$bus.$on('trademarkInfo', (trademark) => {
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}:`
      this.getData()
    })
    this.$bus.$on('attrInfo', (attr, attrVal) => {
      //["属性ID:属性值：属性名"]
      //整理参数格式
      let props = `${attr.attrId}:${attrVal}:${attr.attrName}`
      //数组去重
      if (this.searchParams.props.indexOf(props) == -1) {
        this.searchParams.props.push(props)
      }
      this.getData()
    })
    //获取当前第几页
    this.$bus.$on('getPageNo', (pageNo) => {
      //整理带给服务器的参数
      this.searchParams.pageNo = pageNo
      this.getData()
    })
  },
  computed: {
    // ...mapState('search', ['searchList']),
    ...mapGetters("search", ["attrsList"]),
    ...mapGetters("search", ["goodsList"]),
    ...mapGetters("search", ["trademarkList"]),
    ...mapGetters("search", ["total"]),
    isOne() {
      return this.searchParams.order.indexOf('1') != -1
    },
    isTwo() {
      return this.searchParams.order.indexOf('2') != -1
    },
    isUp() {
      return this.searchParams.order.indexOf('desc') != -1
    },
    isDown() {
      return this.searchParams.order.indexOf('asc') != -1
    }

  },
  methods: {
    //向服务器发请求获取search模块数据（根据参数不同返回不同的数据进行展示） 
    //这时候封装成一个函数，多次请求就多次调用
    getData() {
      this.$store.dispatch("search/getSearchList", this.searchParams);
    },
    //删除分类名字面包屑
    removeCategoryName() {
      this.searchParams.categoryName = undefined
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined
      //重新请求数据
      this.getData()
      //地址栏也要修改
      //严谨：本意是删除query, 如果路径当中出现params不应该删除，路由跳转的时候应该带着
      if (this.$route.params) {
        this.$router.push({ name: 'search', params: this.$route.params })
      }
      else {
        this.$router.push({ name: 'search' })
      }
    },
    //删除关键字面包屑
    removeKeyword() {
      this.searchParams.keyword = undefined
      //修改完关键字面包屑后要再一次发请求
      this.getData()
      //通知兄弟组件Header清除关键字
      this.$bus.$emit("clear")
      //进行路由的跳转
      if (this.$route.query) {
        this.$router.push({ name: 'search', query: this.$route.query })
      }
      else {
        this.$router.push({ name: 'search' })
      }
    },
    //获取子组件的品牌信息。自定义事件接收
    // trademarkInfo(trademark) {
    //   //整理品牌参数
    //   console.log(trademark, '我是父组件');
    //   this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}:`
    //   this.getData()
    // },
    // 删除品牌信息面包屑
    removeTrademark() {
      //将品牌信息制空
      this.searchParams.trademark = undefined
      //再次发请求
      this.getData()
    },
    //删除售卖的属性
    removeAttrVal(index) {
      this.searchParams.props.splice(index, 1)
      this.getData()
    },
    //排序操作  
    changeOrder(flag) {
      //flag形参是一个标记代表用户点击的是综合（1）还是价格（2）
      // if (flag == 1) {
      //   this.searchParams.order = this.searchParams.order.replace('2:desc', '1:asc')
      //   if (this.searchParams.order.indexOf('desc') != -1) {
      //     let newVal = this.searchParams.order.replace('desc', 'asc')
      //     this.searchParams.order = newVal
      //   }
      //   else {
      //     let newVal = this.searchParams.order.replace('asc', 'desc')
      //     this.searchParams.order = newVal
      //   }
      //   this.getData()
      //   // 原目标.replace(需要替换的替换内容,替换成什么) //只会替换掉第一个,且原目标不变,需要重新赋值给一个变量}
      //   // //如果你想把所有的都替换掉，要使用正则	例: "bob".replace(/b/g, 'l') === 'lol'
      //   // console.log(this.searchParams.order.split(':'));
      // }
      // else if (flag == 2) {
      //   this.searchParams.order = this.searchParams.order.replace('1:desc', '2:asc')
      //   // console.log(this.searchParams.order = this.searchParams.order.replace('desc', 'asc'));
      //   if (this.searchParams.order.indexOf('desc') != -1) {
      //     let newVal = this.searchParams.order.replace('desc', 'asc')
      //     this.searchParams.order = newVal
      //   }
      //   else {
      //     let newVal = this.searchParams.order.replace('asc', 'desc')
      //     this.searchParams.order = newVal
      //   }
      //   this.getData()
      // }
      // flag形参是一个标记代表用户点击的是综合（1）还是价格（2）
      // let originOrder = this.searchParams.order
      let originFlag = this.searchParams.order.split(':')[0]
      let originSort = this.searchParams.order.split(':')[1]
      let newOrder = '';
      if (flag == originFlag) {
        newOrder = `${originFlag}:${originSort == "desc" ? 'asc' : 'desc'}`
      } else {
        //点击的是价格
        newOrder = `${flag}:${'desc'}`
      }
      this.searchParams.order = newOrder;
      this.getData()
    },
    //测试
    // click1(id) {
    //   this.$router.push({
    //     // : to="`/detail/${good.id}`"
    //     name: 'detail',
    //     params: {
    //       skuid: id
    //     }
    //   })
    // }


  },
  //监听路由变化，如果变了，就更改变后的搜索结果，但只在beforeMount整理了一次，就是不到更多的数据变化，
  //所以再次发请求前需要整理数据
  watch: {
    '$route.path': {
      immediate: true,
      //当 watch 一个变量的时候，初始化时并不会执行你需要在created的时候手动调用一次。添加immediate属性，这样初始化的时候也会触发(类似mounted)
      //这样子就不用写 mounted 和 beforeMount 钩子了
      handler() {
        //每一次重新请求，应该把相应的1、2、3级分类的id置空的，让他接受下一次的相应1、2、3id
        this.searchParams.category1Id = ''
        this.searchParams.category2Id = ''
        this.searchParams.category3Id = ''
        //Object.assign:ES6新增的语法，合并对象
        //在发请求之前，把接口需要传递参数，进行整理（在给服务器发请求之前，把参数整理好，服务器就会返回查询的数据）
        //合并整理数据
        Object.assign(this.searchParams, this.$route.query, this.$route.params)
        this.getData()

      }
      //再次发请求
      // this.getData()
    }
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }


    }
  }
}
</style>
